Home / 98,670.08-136,154.22-58,385.54

Finding the Fourth Proportional to 98,670.08, 136,154.22 and 58,385.54

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Solution

The fourth proportional to 98,670.08, 136,154.22 and 58,385.54 is: 80,565.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,670.08 : 136,154.22 = 58,385.54 : x
  2. Step 2: Convert to fraction form
    98,670.08/136,154.22 = 58,385.54/x
  3. Step 3: Cross multiply
    98,670.08x = 136,154.22 × 58,385.54
  4. Step 4: Simplify right side
    98,670.08x = 7,949,437,779.42
  5. Step 5: Solve for x
    x = 7,949,437,779.42/98,670.08
  6. Step 6: Final answer
    x = 80,565.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.